ICSE Class 10 Ammonia (NH3) — Mock Test (2027)
Free online mock test for Ammonia (NH3) (ICSE Class 10 Chemistry) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Ammonia (NH3) chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Complete the following table for Haber's process by selecting the correct set of conditions and reaction:
Name of the process Temperature Catalyst Equation for the catalysed reaction Haber's process ? ? ? - A.300°C, Platinum, N₂ + 3H₂ → 2NH₃
- B.450-500°C, Finely divided iron + Mo, N₂ + 3H₂ → 2NH₃ + 22.4 kcal
- C.600°C, Nickel, N₂ + H₂ → NH₃
- D.200°C, Vanadium pentoxide, N₂ + 3H₂ → 2NH₃
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2.Assertion : Ammonia can be prepared in the laboratory by heating ammonium salts with caustic alkali. Reason: Ammonium salts on heating with caustic alkali liberate ammonia gas. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (c) Assertion is true, but reason is false. (d) Assertion is false, but reason is true.
- A.Both assertion and reason are true and reason is the correct explanation of assertion.
- B.Both assertion and reason are true, but reason is not the correct explanation of assertion.
- C.Assertion is true, but reason is false.
- D.Assertion is false, but reason is true.
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3.How does the density of ammonia compare to that of air?
- A.More dense than air.
- B.Less dense than air.
- C.Equal in density to air.
- D.Density varies with temperature.
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4.Which experiment demonstrates the extreme solubility of ammonia in water?
- A.Electrolysis of water
- B.Fountain experiment
- C.Thermit reaction
- D.Displacement reaction
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5.Which of the following represents the correct balanced chemical equation for the preparation of ammonia from ammonium chloride?
- A.NH₄Cl + NaOH → NH₃ + NaCl + H₂O
- B.NH₄Cl + NaOH → NH₃ + NaCl + H₂
- C.NH₄Cl → NH₃ + HCl
- D.NH₄Cl + NaOH → N₂ + NaCl + H₂O
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